On the notion of coexistence in quantum mechanics Export

@article{citeulike:4612985, abstract = {The notion coexistence of quantum observables was introduced to describe the possibility of measuring two or more observables together. Here we survey the various different formalisations of this notion and their connections. We review examples illustrating the necessary degrees of unsharpness for two noncommuting observables to be jointly measurable (in one sense of the phrase). We demonstrate the possibility of measuring together (in another sense of the phrase) noncoexistent observables. This leads us to a reconsideration of the connection between joint measurability and noncommutativity of observables and of the statistical and individual aspects of quantum measurements.}, archivePrefix = {arXiv}, author = {Busch, P. and Kiukas, J. and Lahti, P.}, citeulike-article-id = {4612985}, citeulike-linkout-0 = {http://arxiv.org/abs/0905.3222}, citeulike-linkout-1 = {http://arxiv.org/pdf/0905.3222}, day = {20}, eprint = {0905.3222}, keywords = {logics}, month = {May}, posted-at = {2009-05-23 20:35:24}, priority = {2}, title = {On the notion of coexistence in quantum mechanics}, url = {http://arxiv.org/abs/0905.3222}, year = {2009} }

TY - JOUR ID - citeulike:4612985 L3 - citeulike-article-id:4612985 N2 - The notion coexistence of quantum observables was introduced to describe the possibility of measuring two or more observables together. Here we survey the various different formalisations of this notion and their connections. We review examples illustrating the necessary degrees of unsharpness for two noncommuting observables to be jointly measurable (in one sense of the phrase). We demonstrate the possibility of measuring together (in another sense of the phrase) noncoexistent observables. This leads us to a reconsideration of the connection between joint measurability and noncommutativity of observables and of the statistical and individual aspects of quantum measurements. TI - On the notion of coexistence in quantum mechanics KW - logics AU - Busch, P AU - Kiukas, J AU - Lahti, P PY - 2009/May/20/ UR - http://arxiv.org/abs/0905.3222 ER -